KareNow Adult Electric Toothbrush Rechargeable - 4-mode electric toothbrush with 8 replacement brush heads, travel electric toothbrush, 2-minute built-in smart timer

"All-round Toothbrush Cleaning - An upgraded, ADA-approved electric toothbrush with high vibration of up to 40,000 VPM drives the fluid between the teeth and the gum line, providing superior cleaning and removing more stains, improving gum health and a gentle experience compared to manual toothbrushes." "4 modes Personalize your brushing experience - 4 modes of electric toothbrushes, suitable for adults and children, for different tooth and gum conditions. Cleaning - daily cleaning; Soft and gentle massage gums; Whitening to remove surface stains; Massage - Gentle cleaning of sensitive gums ", "8 replacement toothbrush heads - This electric toothbrush comes with DuPont W-shaped bristles to suit the tooth topography and German Pedex blue indicating bristles. When the color of the bristles changes from blue to white, it will remind you to change the toothbrush head. Each brush head can be used for 3 months, so 8 brush heads can last for 24 months ", "Long battery life, 60 days of use - KareNow electric toothbrushes offer 4 hours of charging and can last for 60 days. Low power warning, automatic power off after full charge. The USB port is compatible with mobile phones, mobile power supplies, etc. Perfect for carrying and traveling ", "2-minute Smart timer and IPX7 waterproof - built-in 2-minute smart timer control with 30-second intervals to remind you to move to the next stage of your mouth, helping you develop healthy teeth brushing habits. IPX7 rated waterproof design allows users to safely use their toothbrush in the bathroom or shower."